Өндөр бүтээмжтэй хүний долоон дадал by Stephen R. Covey | Goodreads
Stephen R. Covey. 348 books5,377 followers. Stephen Richards Covey was the author of the bestselling book, "The Seven Habits of Highly Effective People". Other books he wrote include "First Things First", "PrincipleCentered Leadership", and "The Seven Habits of Highly Effective Families". In 2004, Covey released "The 8th Habit".
